Решите систему
cosx + cosy = корень из 3
x + y = π/3

x+y=π/3x=π/3-ycos(π/3-y)+cosy=√32cosπ/6*cos(π/6-y)=√32*√3/2*cos(π/6-y)=√3cos(π/6-y)=1sin(y+π/3)=1y+π/3=π/2y=π/2-π/3y=π/6+2πn,n∈zx=π/3-π/6x=π/6+2πn,n∈z